Perimeter Gasketing AccessoriesPemko BKT Door Closer/Strike Plate Mounting Brackets and Pemko P112_PS Adhesive Corner Pads Adjustable Jamb Weatherstrip Cushion/Spring Weatherstrip Heavy Duty Interlock Perimeter Gasketing Heavy Duty Perimeter Gasketing Interlock Weatherstrip - Wood Doors Kerf-in Weatherstrip - Foam Kerf-In Weatherstrip - Silicone/PemkoPrene®/Thermoplastic Perimeter Gasketing with Concealed Fasteners Standard Perimeter GasketingPerimeter gasketing, unless otherwise specified, is designed for openings with 1/16" gaps; however, each weatherstrip can seal gaps up to the depth of its seal. Weatherstrip - MagneticMagnetic gasketing provides an effective perimeter seal around a steel faced door.